I have been trying to figure out the history of the Sennheiser HD 25 and the various models that have been released: HD 25-1 II, etc. It seems quite complicated. It's impressive that the original Sennheiser HD 25 was released way back in 1988!! It seemed to make a big impact then as studio...

Hi everybody on Head-fi,   I am new here and am looking forward to being part of this wonderful community. As a first post (not sure if this has been discussed before), I wanted to write about an ongoing project of mine. It concerns finding and examining movies that have either (1)...